The short sequences of DNA designed to be complementary to the ends of the DNA region to be amplified are called ___.
What will be an ideal response?
primers
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Why are we concerned at all with monitoring emerging/reemerging diseases?
A. These represent growing threats to human health that will require new scientific research and resources to effectively combat. B. Because globalization (greater trade and travel between countries) leads to more chances for spread of illnesses into new areas and populations. Monitoring these illnesses will help us to protect people. C. Because the speed of travel has increased greatly. With increased speed of travel, it is far more likely that a serious pathogenic threat from one area of the world can spread rapidly across the globe in a very fast manner. We need to monitor the occurrence of these illnesses to try to protect populations. D. All of the above.
A botanist examines two plants. Plant A has large colorful petals; plant B has extremely tiny white flowers. Which one is most likely animal pollinated?
A. Plant A B. Plant B Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about animal-pollinated plants? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Answer the following statements true (T) or false (F)
1. Natural selection is random because no individuals are eliminated from reproducing due to different environments. 2. Evolution occurs in individuals, not populations. 3. In an evolutionary sense, fitness refers to an organism's contribution to the next generation's gene pool. 4. Since the conditions needed for the Hardy-Weinberg principle do not occur in real populations, this principle has no importance in population studies. 5. Nonrandom mating, gene flow, and genetic drift are mechanisms of microevolution.
Discuss the ways in which light rays can be manipulated to increase resolution and/or contrast.
What will be an ideal response?